199100440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 564019200

約数和(自身を除く): 364918760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 127, 140, 154, 220, 254, 280, 308, 385, 440, 508, 509, 616, 635, 770, 889, 1016, 1018, 1270, 1397, 1540, 1778, 2036, 2540, 2545, 2794, 3080, 3556, 3563, 4072, 4445, 5080, 5090, 5588, 5599, 6985, 7112, 7126, 8890, 9779, 10180, 11176, 11198, 13970, 14252, 17780, 17815, 19558, 20360, 22396, 27940, 27995, 28504, 35560, 35630, 39116, 39193, 44792, 48895, 55880, 55990, 64643, 71260, 78232, 78386, 97790, 111980, 129286, 142520, 156772, 195580, 195965, 223960, 258572, 313544, 323215, 391160, 391930, 452501, 517144, 646430, 711073, 783860, 905002, 1292860, 1422146, 1567720, 1810004, 2262505, 2585720, 2844292, 3555365, 3620008, 4525010, 4977511, 5688584, 7110730, 9050020, 9955022, 14221460, 18100040, 19910044, 24887555, 28442920, 39820088, 49775110, 99550220, 199100440]

約数ペア:

[(1, 199100440), (2, 99550220), (4, 49775110), (5, 39820088), (7, 28442920), (8, 24887555), (10, 19910044), (11, 18100040), (14, 14221460), (20, 9955022), (22, 9050020), (28, 7110730), (35, 5688584), (40, 4977511), (44, 4525010), (55, 3620008), (56, 3555365), (70, 2844292), (77, 2585720), (88, 2262505), (110, 1810004), (127, 1567720), (140, 1422146), (154, 1292860), (220, 905002), (254, 783860), (280, 711073), (308, 646430), (385, 517144), (440, 452501), (508, 391930), (509, 391160), (616, 323215), (635, 313544), (770, 258572), (889, 223960), (1016, 195965), (1018, 195580), (1270, 156772), (1397, 142520), (1540, 129286), (1778, 111980), (2036, 97790), (2540, 78386), (2545, 78232), (2794, 71260), (3080, 64643), (3556, 55990), (3563, 55880), (4072, 48895), (4445, 44792), (5080, 39193), (5090, 39116), (5588, 35630), (5599, 35560), (6985, 28504), (7112, 27995), (7126, 27940), (8890, 22396), (9779, 20360), (10180, 19558), (11176, 17815), (11198, 17780), (13970, 14252)]